Move package kit Zlib* classes to support kit

Also move to B* namespace and no longer expose the zlib dependency in
the headers.

headers/build/private/package/hpkg/ZlibCompressionBase.h

@@ -1 +0,0 @@
-#include <../private/package/hpkg/ZlibCompressionBase.h>

headers/build/private/package/hpkg/ZlibCompressor.h

@@ -1 +0,0 @@
-#include <../private/package/hpkg/ZlibCompressor.h>

headers/build/private/package/hpkg/ZlibDecompressor.h

@@ -1 +0,0 @@
-#include <../private/package/hpkg/ZlibDecompressor.h>

headers/build/private/support/ZlibCompressionBase.h

@@ -0,0 +1 @@
+#include <../private/support/ZlibCompressionBase.h>

headers/build/private/support/ZlibCompressor.h

@@ -0,0 +1 @@
+#include <../private/support/ZlibCompressor.h>

headers/build/private/support/ZlibDecompressor.h

@@ -0,0 +1 @@
+#include <../private/support/ZlibDecompressor.h>

headers/private/package/hpkg/WriterImplBase.h

@@ -13,7 +13,6 @@
 #include <package/hpkg/PackageFileHeapWriter.h>
 #include <package/hpkg/PackageWriter.h>
 #include <package/hpkg/Strings.h>
-#include <package/hpkg/ZlibCompressor.h>
 
 #include <package/PackageInfo.h>
 

headers/private/package/hpkg/ZlibCompressionBase.h

@@ -1,32 +0,0 @@
-/*
- * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
- * Distributed under the terms of the MIT License.
- */
-#ifndef _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSION_BASE_H_
-#define _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSION_BASE_H_
-
-
-#include <SupportDefs.h>
-
-
-namespace BPackageKit {
-
-namespace BHPKG {
-
-namespace BPrivate {
-
-
-class ZlibCompressionBase {
-public:
-	static	status_t			TranslateZlibError(int error);
-};
-
-
-}	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit
-
-
-#endif	// _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSION_BASE_H_

headers/private/package/hpkg/ZlibCompressor.h

@@ -1,53 +0,0 @@
-/*
- * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
- * Distributed under the terms of the MIT License.
- */
-#ifndef _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSOR_H_
-#define _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSOR_H_
-
-
-#include <zlib.h>
-
-#include <package/hpkg/ZlibCompressionBase.h>
-
-
-class BDataIO;
-
-
-namespace BPackageKit {
-
-namespace BHPKG {
-
-namespace BPrivate {
-
-
-class ZlibCompressor : public ZlibCompressionBase {
-public:
-								ZlibCompressor(BDataIO* output);
-								~ZlibCompressor();
-
-			status_t			Init(int compressionLevel = Z_BEST_COMPRESSION);
-			status_t			CompressNext(const void* input,
-									size_t inputSize);
-			status_t			Finish();
-
-	static	status_t			CompressSingleBuffer(const void* input,
-									size_t inputSize, void* output,
-									size_t outputSize, size_t& _compressedSize,
-									int compressionLevel = Z_BEST_COMPRESSION);
-
-private:
-			z_stream			fStream;
-			BDataIO*			fOutput;
-			bool				fStreamInitialized;
-};
-
-
-}	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit
-
-
-#endif	// _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSOR_H_

headers/private/package/hpkg/ZlibDecompressor.h

@@ -1,54 +0,0 @@
-/*
- * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
- * Distributed under the terms of the MIT License.
- */
-#ifndef _PACKAGE__HPKG__PRIVATE__ZLIB_DECOMPRESSOR_H_
-#define _PACKAGE__HPKG__PRIVATE__ZLIB_DECOMPRESSOR_H_
-
-
-#include <zlib.h>
-
-#include <package/hpkg/ZlibCompressionBase.h>
-
-
-class BDataIO;
-
-
-namespace BPackageKit {
-
-namespace BHPKG {
-
-namespace BPrivate {
-
-
-class ZlibDecompressor : public ZlibCompressionBase {
-public:
-								ZlibDecompressor(BDataIO* output);
-								~ZlibDecompressor();
-
-			status_t			Init();
-			status_t			DecompressNext(const void* input,
-									size_t inputSize);
-			status_t			Finish();
-
-	static	status_t			DecompressSingleBuffer(const void* input,
-									size_t inputSize, void* output,
-									size_t outputSize,
-									size_t& _uncompressedSize);
-
-private:
-			z_stream			fStream;
-			BDataIO*			fOutput;
-			bool				fStreamInitialized;
-			bool				fFinished;
-};
-
-
-}	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit
-
-
-#endif	// _PACKAGE__HPKG__PRIVATE__ZLIB_DECOMPRESSOR_H_

headers/private/support/ZlibCompressionBase.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _ZLIB_COMPRESSION_BASE_H_
+#define _ZLIB_COMPRESSION_BASE_H_
+
+
+#include <SupportDefs.h>
+
+
+class BDataIO;
+
+
+class BZlibCompressionBase {
+public:
+								BZlibCompressionBase(BDataIO* output);
+								~BZlibCompressionBase();
+
+	static	status_t			TranslateZlibError(int error);
+
+protected:
+			struct ZStream;
+
+protected:
+			status_t			CreateStream();
+			void				DeleteStream();
+
+protected:
+			BDataIO*			fOutput;
+			ZStream*			fStream;
+};
+
+
+#endif	// _ZLIB_COMPRESSION_BASE_H_

headers/private/support/ZlibCompressor.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _ZLIB_COMPRESSOR_H_
+#define _ZLIB_COMPRESSOR_H_
+
+
+#include <ZlibCompressionBase.h>
+
+
+class BDataIO;
+
+
+// compression level
+enum {
+	B_ZLIB_COMPRESSION_NONE		= 0,
+	B_ZLIB_COMPRESSION_FASTEST	= 1,
+	B_ZLIB_COMPRESSION_BEST		= 9,
+	B_ZLIB_COMPRESSION_DEFAULT	= -1,
+};
+
+
+class BZlibCompressor : public BZlibCompressionBase {
+public:
+								BZlibCompressor(BDataIO* output);
+								~BZlibCompressor();
+
+			status_t			Init(int compressionLevel
+									= B_ZLIB_COMPRESSION_BEST);
+			status_t			CompressNext(const void* input,
+									size_t inputSize);
+			status_t			Finish();
+
+	static	status_t			CompressSingleBuffer(const void* input,
+									size_t inputSize, void* output,
+									size_t outputSize, size_t& _compressedSize,
+									int compressionLevel
+										= B_ZLIB_COMPRESSION_BEST);
+};
+
+
+#endif	// _ZLIB_COMPRESSOR_H_

headers/private/support/ZlibDecompressor.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _ZLIB_DECOMPRESSOR_H_
+#define _ZLIB_DECOMPRESSOR_H_
+
+
+#include <ZlibCompressionBase.h>
+
+
+class BZlibDecompressor : public BZlibCompressionBase {
+public:
+								BZlibDecompressor(BDataIO* output);
+								~BZlibDecompressor();
+
+			status_t			Init();
+			status_t			DecompressNext(const void* input,
+									size_t inputSize);
+			status_t			Finish();
+
+	static	status_t			DecompressSingleBuffer(const void* input,
+									size_t inputSize, void* output,
+									size_t outputSize,
+									size_t& _uncompressedSize);
+
+private:
+			bool				fFinished;
+};
+
+
+#endif	// _ZLIB_DECOMPRESSOR_H_

src/add-ons/kernel/file_systems/packagefs/Jamfile

@@ -3,7 +3,7 @@ SubDir HAIKU_TOP src add-ons kernel file_systems packagefs ;
 
 UseBuildFeatureHeaders zlib ;
 UsePrivateKernelHeaders ;
-UsePrivateHeaders package shared storage ;
+UsePrivateHeaders package shared storage support ;
 
 
 local subDirs = 
@@ -90,10 +90,6 @@ HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES =
 	PackageFileHeapReader.cpp
 	PackageReaderImpl.cpp
 	ReaderImplBase.cpp
-
-	# compression
-	ZlibCompressionBase.cpp
-	ZlibDecompressor.cpp
 ;
 
 HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1 =
@@ -107,15 +103,17 @@ HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1 =
 	ReaderImplBaseV1.cpp
 ;
 
-Includes
-	[ FGristFiles $(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES)
-		$(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1) ]
+Includes [ FGristFiles ZlibCompressionBasePrivate.h ]
 	: [ BuildFeatureAttribute zlib : headers ] ;
 
 local libSharedSources =
 	NaturalCompare.cpp
 ;
 
+local supportKitSources =
+	ZlibCompressionBase.cpp
+	ZlibDecompressor.cpp
+;
 
 KernelAddon packagefs
 	:
@@ -124,6 +122,7 @@ KernelAddon packagefs
 	$(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES)
 	$(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1)
 	$(libSharedSources)
+	$(supportKitSources)
 
 	: $(TARGET_KERNEL_LIBSUPC++) kernel_libz.a
 ;
@@ -137,3 +136,5 @@ SEARCH on [ FGristFiles $(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1) ]
 	+= [ FDirName $(HAIKU_TOP) src kits package hpkg v1 ] ;
 SEARCH on [ FGristFiles $(libSharedSources) ]
 	+= [ FDirName $(HAIKU_TOP) src kits shared ] ;
+SEARCH on [ FGristFiles $(supportKitSources) ]
+	+= [ FDirName $(HAIKU_TOP) src kits support ] ;

src/build/libbe/Jamfile

@@ -14,7 +14,7 @@ BuildPlatformSharedLibrary libbe_build.so :
 	<libbe_build>storage_kit.o
 	<libbe_build>support_kit.o
 
-	$(HOST_LIBSUPC++) $(HOST_LIBSTDC++)
+	z $(HOST_LIBSUPC++) $(HOST_LIBSTDC++)
 ;
 
 SubInclude HAIKU_TOP src build libbe app ;

src/build/libbe/support/Jamfile

@@ -18,4 +18,7 @@ BuildPlatformMergeObjectPIC <libbe_build>support_kit.o :
 	Referenceable.cpp
 	String.cpp
 	StringList.cpp
+	ZlibCompressionBase.cpp
+	ZlibCompressor.cpp
+	ZlibDecompressor.cpp
 ;

src/build/libpackage/Jamfile

@@ -1,6 +1,6 @@
 SubDir HAIKU_TOP src build libpackage ;
 
-UsePrivateBuildHeaders kernel package shared storage ;
+UsePrivateBuildHeaders kernel package shared storage support ;
 
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package ] ;
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package hpkg ] ;
@@ -73,11 +73,6 @@ HPKG_SOURCES =
 	PackageReaderImplV1.cpp
 	PackageReaderV1.cpp
 	ReaderImplBaseV1.cpp
-
-	# compression
-	ZlibCompressionBase.cpp
-	ZlibCompressor.cpp
-	ZlibDecompressor.cpp
 ;
 
 # TODO: remove this hack once gcc2 has -iquote implemented
@@ -143,7 +138,7 @@ BuildPlatformSharedLibrary libpackage_build.so
 	SolverRepository.cpp
 	SolverResult.cpp
 	:
-	libshared_build.a $(HOST_LIBBE) curl z $(HOST_LIBSTDC++)
+	libshared_build.a $(HOST_LIBBE) curl $(HOST_LIBSTDC++)
 ;
 
 HaikuSubInclude solver ;

src/kits/Jamfile

@@ -45,7 +45,9 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 			[ MultiArchDefaultGristFiles libicon.a ]
 			[ MultiArchDefaultGristFiles libagg.a ]
 
-			$(TARGET_LIBSTDC++) [ BuildFeatureAttribute icu : libraries ]
+			$(TARGET_LIBSTDC++)
+			[ BuildFeatureAttribute icu : libraries ]
+			[ BuildFeatureAttribute zlib : library ]
 			;
 	}
 }
@@ -71,7 +73,9 @@ SharedLibrary libbe_test.so :
 	[ MultiArchDefaultGristFiles libicon.a ]
 	[ MultiArchDefaultGristFiles libagg.a ]
 
-	$(TARGET_LIBSTDC++) [ BuildFeatureAttribute icu : libraries ]
+	$(TARGET_LIBSTDC++)
+	[ BuildFeatureAttribute icu : libraries ]
+	[ BuildFeatureAttribute zlib : library ]
 ;
 
 SEARCH_SOURCE += [ FDirName $(SUBDIR) interface ] ;

src/kits/package/Jamfile

@@ -5,6 +5,7 @@ UsePrivateHeaders
 	kernel
 	shared
 	storage
+	support
 	;
 UsePrivateSystemHeaders ;
 
@@ -54,18 +55,12 @@ HPKG_SOURCES =
 	PackageReaderImplV1.cpp
 	PackageReaderV1.cpp
 	ReaderImplBaseV1.cpp
-
-	# compression
-	ZlibCompressionBase.cpp
-	ZlibCompressor.cpp
-	ZlibDecompressor.cpp
 	;
 
 local architectureObject ;
 for architectureObject in [ MultiArchSubDirSetup ] {
 	on $(architectureObject) {
 		UseBuildFeatureHeaders curl ;
-		UseBuildFeatureHeaders zlib ;
 
 		SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package hpkg ] ;
 		SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package hpkg v1 ] ;
@@ -76,8 +71,6 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 			: [ BuildFeatureAttribute curl : headers ] ;
 		Includes [ FGristFiles InitTerminateLibPackage.cpp ]
 			: [ BuildFeatureAttribute curl : headers ] ;
-		Includes [ FGristFiles $(HPKG_SOURCES) ]
-			: [ BuildFeatureAttribute zlib : headers ] ;
 
 		SharedLibrary [ MultiArchDefaultGristFiles libpackage.so ]
 			:
@@ -139,7 +132,6 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 			[ MultiArchDefaultGristFiles libshared.a ]
 			be
 			[ BuildFeatureAttribute curl : library ]
-			[ BuildFeatureAttribute zlib : library ]
 			$(TARGET_LIBSTDC++)
 			;
 	}

src/kits/package/hpkg/PackageDataReader.cpp

@@ -13,7 +13,6 @@
 
 #include <package/hpkg/HPKGDefsPrivate.h>
 #include <package/hpkg/PackageData.h>
-#include <package/hpkg/ZlibDecompressor.h>
 
 
 namespace BPackageKit {

src/kits/package/hpkg/PackageFileHeapAccessorBase.cpp

@@ -18,7 +18,7 @@
 #include <package/hpkg/ErrorOutput.h>
 
 #include <AutoDeleter.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {
@@ -213,7 +213,7 @@ PackageFileHeapAccessorBase::DecompressChunkData(void* compressedDataBuffer,
 	size_t uncompressedSize)
 {
 	size_t actualSize;
-	status_t error = ZlibDecompressor::DecompressSingleBuffer(
+	status_t error = BZlibDecompressor::DecompressSingleBuffer(
 		compressedDataBuffer, compressedSize, uncompressedDataBuffer,
 		uncompressedSize, actualSize);
 	if (error != B_OK) {

src/kits/package/hpkg/PackageFileHeapReader.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copyright 2013-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
  * Distributed under the terms of the MIT License.
  */
 
@@ -16,10 +16,6 @@
 #include <package/hpkg/PoolBuffer.h>
 
 
-// minimum length of data we require before trying to zlib compress them
-static const size_t kZlibCompressionSizeThreshold = 64;
-
-
 namespace BPackageKit {
 
 namespace BHPKG {

src/kits/package/hpkg/PackageFileHeapWriter.cpp

@@ -19,8 +19,8 @@
 #include <AutoDeleter.h>
 #include <package/hpkg/DataReader.h>
 #include <package/hpkg/PackageFileHeapReader.h>
-#include <package/hpkg/ZlibCompressor.h>
 #include <RangeArray.h>
+#include <ZlibCompressor.h>
 
 
 // minimum length of data we require before trying to zlib compress them
@@ -551,7 +551,7 @@ PackageFileHeapWriter::_WriteDataCompressed(const void* data, size_t size)
 		return B_BUFFER_OVERFLOW;
 
 	size_t compressedSize;
-	status_t error = ZlibCompressor::CompressSingleBuffer(data, size,
+	status_t error = BZlibCompressor::CompressSingleBuffer(data, size,
 		fCompressedDataBuffer, size, compressedSize, fCompressionLevel);
 	if (error != B_OK) {
 		if (error != B_BUFFER_OVERFLOW) {

src/kits/package/hpkg/PackageReaderImpl.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
  * Copyright 2011, Oliver Tappe <zooey@hirschkaefer.de>
  * Distributed under the terms of the MIT License.
  */
@@ -25,7 +25,6 @@
 #include <package/hpkg/PackageData.h>
 #include <package/hpkg/PackageEntry.h>
 #include <package/hpkg/PackageEntryAttribute.h>
-#include <package/hpkg/ZlibDecompressor.h>
 
 
 namespace BPackageKit {

src/kits/package/hpkg/PackageWriterImpl.cpp

@@ -58,10 +58,6 @@ namespace BHPKG {
 namespace BPrivate {
 
 
-// minimum length of data we require before trying to zlib compress them
-static const size_t kZlibCompressionSizeThreshold = 64;
-
-
 // #pragma mark - Attributes
 
 

src/kits/package/hpkg/ReaderImplBase.cpp

@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <algorithm>
 #include <new>
@@ -21,7 +22,7 @@
 #include <package/hpkg/HPKGDefsPrivate.h>
 
 #include <package/hpkg/PackageFileHeapReader.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {

src/kits/package/hpkg/WriterImplBase.cpp

@@ -10,6 +10,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <algorithm>
 #include <new>

src/kits/package/hpkg/ZlibCompressionBase.cpp

@@ -1,54 +0,0 @@
-/*
- * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
- * Distributed under the terms of the MIT License.
- */
-
-
-#include <package/hpkg/ZlibCompressionBase.h>
-
-#include <errno.h>
-
-#include <zlib.h>
-
-
-namespace BPackageKit {
-
-namespace BHPKG {
-
-namespace BPrivate {
-
-
-/*static*/ status_t
-ZlibCompressionBase::TranslateZlibError(int error)
-{
-	switch (error) {
-		case Z_OK:
-			return B_OK;
-		case Z_STREAM_END:
-		case Z_NEED_DICT:
-			// a special event (no error), but the caller doesn't seem to handle
-			// it
-			return B_ERROR;
-		case Z_ERRNO:
-			return errno;
-		case Z_STREAM_ERROR:
-			return B_BAD_VALUE;
-		case Z_DATA_ERROR:
-			return B_BAD_DATA;
-		case Z_MEM_ERROR:
-			return B_NO_MEMORY;
-		case Z_BUF_ERROR:
-			return B_BUFFER_OVERFLOW;
-		case Z_VERSION_ERROR:
-			return B_BAD_VALUE;
-		default:
-			return B_ERROR;
-	}
-}
-
-
-}	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit

src/kits/package/hpkg/ZlibCompressor.cpp

@@ -1,186 +0,0 @@
-/*
- * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
- * Distributed under the terms of the MIT License.
- */
-
-
-#include <package/hpkg/ZlibCompressor.h>
-
-#include <errno.h>
-#include <stdio.h>
-
-#include <DataIO.h>
-
-
-namespace BPackageKit {
-
-namespace BHPKG {
-
-namespace BPrivate {
-
-
-static const size_t kOutputBufferSize = 1024;
-
-
-ZlibCompressor::ZlibCompressor(BDataIO* output)
-	:
-	fOutput(output),
-	fStreamInitialized(false)
-{
-}
-
-
-ZlibCompressor::~ZlibCompressor()
-{
-	if (fStreamInitialized)
-		deflateEnd(&fStream);
-}
-
-
-status_t
-ZlibCompressor::Init(int compressionLevel)
-{
-	// initialize the stream
-	fStream.next_in = NULL;
-	fStream.avail_in = 0;
-	fStream.total_in = 0;
-	fStream.next_out = NULL;
-	fStream.avail_out = 0;
-	fStream.total_out = 0;
-	fStream.msg = 0;
-	fStream.state = 0;
-	fStream.zalloc = Z_NULL;
-	fStream.zfree = Z_NULL;
-	fStream.opaque = Z_NULL;
-	fStream.data_type = 0;
-	fStream.adler = 0;
-	fStream.reserved = 0;
-
-	int zlibError = deflateInit(&fStream, compressionLevel);
-	if (zlibError != Z_OK)
-		return TranslateZlibError(zlibError);
-
-	fStreamInitialized = true;
-
-	return B_OK;
-}
-
-
-status_t
-ZlibCompressor::CompressNext(const void* input, size_t inputSize)
-{
-	fStream.next_in = (Bytef*)input;
-	fStream.avail_in = inputSize;
-
-	while (fStream.avail_in > 0) {
-		uint8 outputBuffer[kOutputBufferSize];
-		fStream.next_out = (Bytef*)outputBuffer;
-		fStream.avail_out = sizeof(outputBuffer);
-
-		int zlibError = deflate(&fStream, 0);
-		if (zlibError != Z_OK)
-			return TranslateZlibError(zlibError);
-
-		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteExactly(outputBuffer,
-				sizeof(outputBuffer) - fStream.avail_out);
-			if (error != B_OK)
-				return error;
-		}
-	}
-
-	return B_OK;
-}
-
-
-status_t
-ZlibCompressor::Finish()
-{
-	fStream.next_in = (Bytef*)NULL;
-	fStream.avail_in = 0;
-
-	while (true) {
-		uint8 outputBuffer[kOutputBufferSize];
-		fStream.next_out = (Bytef*)outputBuffer;
-		fStream.avail_out = sizeof(outputBuffer);
-
-		int zlibError = deflate(&fStream, Z_FINISH);
-		if (zlibError != Z_OK && zlibError != Z_STREAM_END)
-			return TranslateZlibError(zlibError);
-
-		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteExactly(outputBuffer,
-				sizeof(outputBuffer) - fStream.avail_out);
-			if (error != B_OK)
-				return error;
-		}
-
-		if (zlibError == Z_STREAM_END)
-			break;
-	}
-
-	deflateEnd(&fStream);
-	fStreamInitialized = false;
-
-	return B_OK;
-}
-
-
-/*static*/ status_t
-ZlibCompressor::CompressSingleBuffer(const void* input, size_t inputSize,
-	void* output, size_t outputSize, size_t& _compressedSize,
-	int compressionLevel)
-{
-	if (inputSize == 0 || outputSize == 0)
-		return B_BAD_VALUE;
-
-	// prepare stream
-	z_stream zStream = {
-		(Bytef*)input,				// next_in
-		uInt(inputSize),			// avail_in
-		0,							// total_in
-		(Bytef*)output,				// next_out
-		uInt(outputSize),			// avail_out
-		0,							// total_out
-		0,							// msg
-		0,							// state;
-		Z_NULL,						// zalloc
-		Z_NULL,						// zfree
-		Z_NULL,						// opaque
-		0,							// data_type
-		0,							// adler
-		0							// reserved
-	};
-
-	int zlibError = deflateInit(&zStream, compressionLevel);
-	if (zlibError != Z_OK)
-		return TranslateZlibError(zlibError);
-
-	// deflate
-	status_t error = B_OK;
-	zlibError = deflate(&zStream, Z_FINISH);
-	if (zlibError != Z_STREAM_END) {
-		if (zlibError == Z_OK)
-			error = B_BUFFER_OVERFLOW;
-		else
-			error = TranslateZlibError(zlibError);
-	}
-
-	// clean up
-	zlibError = deflateEnd(&zStream);
-	if (zlibError != Z_OK && error == B_OK)
-		error = TranslateZlibError(zlibError);
-
-	if (error != B_OK)
-		return error;
-
-	_compressedSize = zStream.total_out;
-	return B_OK;
-}
-
-
-}	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit

src/kits/package/hpkg/ZlibDecompressor.cpp

@@ -1,192 +0,0 @@
-/*
- * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
- * Distributed under the terms of the MIT License.
- */
-
-
-#include <package/hpkg/ZlibDecompressor.h>
-
-#include <errno.h>
-#include <stdio.h>
-
-#include <DataIO.h>
-
-
-namespace BPackageKit {
-
-namespace BHPKG {
-
-namespace BPrivate {
-
-
-// TODO: For the kernel the buffer shouldn't be allocated on the stack.
-static const size_t kOutputBufferSize = 1024;
-
-
-ZlibDecompressor::ZlibDecompressor(BDataIO* output)
-	:
-	fOutput(output),
-	fStreamInitialized(false),
-	fFinished(false)
-{
-}
-
-
-ZlibDecompressor::~ZlibDecompressor()
-{
-	if (fStreamInitialized)
-		inflateEnd(&fStream);
-}
-
-
-status_t
-ZlibDecompressor::Init()
-{
-	// initialize the stream
-	fStream.next_in = NULL;
-	fStream.avail_in = 0;
-	fStream.total_in = 0;
-	fStream.next_out = NULL;
-	fStream.avail_out = 0;
-	fStream.total_out = 0;
-	fStream.msg = 0;
-	fStream.state = 0;
-	fStream.zalloc = Z_NULL;
-	fStream.zfree = Z_NULL;
-	fStream.opaque = Z_NULL;
-	fStream.data_type = 0;
-	fStream.adler = 0;
-	fStream.reserved = 0;
-
-	int zlibError = inflateInit(&fStream);
-	if (zlibError != Z_OK)
-		return TranslateZlibError(zlibError);
-
-	fStreamInitialized = true;
-
-	return B_OK;
-}
-
-
-status_t
-ZlibDecompressor::DecompressNext(const void* input, size_t inputSize)
-{
-	fStream.next_in = (Bytef*)input;
-	fStream.avail_in = inputSize;
-
-	while (fStream.avail_in > 0) {
-		if (fFinished)
-			return B_BAD_DATA;
-
-		uint8 outputBuffer[kOutputBufferSize];
-		fStream.next_out = (Bytef*)outputBuffer;
-		fStream.avail_out = sizeof(outputBuffer);
-
-		int zlibError = inflate(&fStream, 0);
-		if (zlibError == Z_STREAM_END)
-			fFinished = true;
-		else if (zlibError != Z_OK)
-			return TranslateZlibError(zlibError);
-
-		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteExactly(outputBuffer,
-				sizeof(outputBuffer) - fStream.avail_out);
-			if (error != B_OK)
-				return error;
-		}
-	}
-
-	return B_OK;
-}
-
-
-status_t
-ZlibDecompressor::Finish()
-{
-	fStream.next_in = (Bytef*)NULL;
-	fStream.avail_in = 0;
-
-	while (!fFinished) {
-		uint8 outputBuffer[kOutputBufferSize];
-		fStream.next_out = (Bytef*)outputBuffer;
-		fStream.avail_out = sizeof(outputBuffer);
-
-		int zlibError = inflate(&fStream, Z_FINISH);
-		if (zlibError == Z_STREAM_END)
-			fFinished = true;
-		else if (zlibError != Z_OK)
-			return TranslateZlibError(zlibError);
-
-		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteExactly(outputBuffer,
-				sizeof(outputBuffer) - fStream.avail_out);
-			if (error != B_OK)
-				return error;
-		}
-	}
-
-	inflateEnd(&fStream);
-	fStreamInitialized = false;
-
-	return B_OK;
-}
-
-
-/*static*/ status_t
-ZlibDecompressor::DecompressSingleBuffer(const void* input, size_t inputSize,
-	void* output, size_t outputSize, size_t& _uncompressedSize)
-{
-	if (inputSize == 0 || outputSize == 0)
-		return B_BAD_VALUE;
-
-	// prepare stream
-	z_stream zStream = {
-		(Bytef*)input,				// next_in
-		uInt(inputSize),			// avail_in
-		0,							// total_in
-		(Bytef*)output,				// next_out
-		uInt(outputSize),			// avail_out
-		0,							// total_out
-		0,							// msg
-		0,							// state;
-		Z_NULL,						// zalloc
-		Z_NULL,						// zfree
-		Z_NULL,						// opaque
-		0,							// data_type
-		0,							// adler
-		0							// reserved
-	};
-
-	int zlibError = inflateInit(&zStream);
-	if (zlibError != Z_OK)
-		return TranslateZlibError(zlibError);
-
-
-	// inflate
-	status_t error = B_OK;
-	zlibError = inflate(&zStream, Z_FINISH);
-	if (zlibError != Z_STREAM_END) {
-		if (zlibError == Z_OK)
-			error = B_BUFFER_OVERFLOW;
-		else
-			error = TranslateZlibError(zlibError);
-	}
-
-	// clean up
-	zlibError = inflateEnd(&zStream);
-	if (zlibError != Z_OK && error == B_OK)
-		error = TranslateZlibError(zlibError);
-
-	if (error != B_OK)
-		return error;
-
-	_uncompressedSize = zStream.total_out;
-	return B_OK;
-}
-
-
-}	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit

src/kits/package/hpkg/v1/PackageDataReaderV1.cpp

@@ -16,7 +16,7 @@
 #include <package/hpkg/PoolBuffer.h>
 #include <package/hpkg/v1/HPKGDefsPrivate.h>
 #include <package/hpkg/v1/PackageData.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {
@@ -27,7 +27,6 @@ namespace V1 {
 
 
 using BHPKG::BPrivate::PoolBufferPutter;
-using BHPKG::BPrivate::ZlibDecompressor;
 
 
 // minimum/maximum zlib chunk size we consider sane
@@ -295,7 +294,7 @@ private:
 				return error;
 
 			size_t actuallyUncompressedSize;
-			error = ZlibDecompressor::DecompressSingleBuffer(
+			error = BZlibDecompressor::DecompressSingleBuffer(
 				readBuffer->Buffer(), compressedSize,
 				fUncompressBuffer->Buffer(), uncompressedSize,
 				actuallyUncompressedSize);

src/kits/package/hpkg/v1/PackageReaderImplV1.cpp

@@ -26,7 +26,6 @@
 #include <package/hpkg/v1/PackageData.h>
 #include <package/hpkg/v1/PackageEntry.h>
 #include <package/hpkg/v1/PackageEntryAttribute.h>
-#include <package/hpkg/ZlibDecompressor.h>
 
 
 namespace BPackageKit {

src/kits/package/hpkg/v1/ReaderImplBaseV1.cpp

@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <algorithm>
 #include <new>
@@ -21,7 +22,7 @@
 #include <package/hpkg/v1/HPKGDefsPrivate.h>
 
 #include <package/hpkg/ErrorOutput.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {
@@ -33,9 +34,6 @@ namespace V1 {
 namespace BPrivate {
 
 
-using BHPKG::BPrivate::ZlibDecompressor;
-
-
 static const size_t kScratchBufferSize = 64 * 1024;
 
 
@@ -1032,7 +1030,7 @@ ReaderImplBase::ReadCompressedBuffer(const SectionInfo& section)
 		{
 			// init the decompressor
 			BMemoryIO bufferOutput(section.data, section.uncompressedLength);
-			ZlibDecompressor decompressor(&bufferOutput);
+			BZlibDecompressor decompressor(&bufferOutput);
 			status_t error = decompressor.Init();
 			if (error != B_OK)
 				return error;

src/kits/support/Jamfile

@@ -9,6 +9,11 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 	on $(architectureObject) {
 		local architecture = $(TARGET_PACKAGING_ARCH) ;
 
+		UseBuildFeatureHeaders zlib ;
+
+		Includes [ FGristFiles ZlibCompressionBasePrivate.h ]
+			: [ BuildFeatureAttribute zlib : headers ] ;
+
 		MergeObject <libbe!$(architecture)>support_kit.o :
 			Architecture.cpp
 			Archivable.cpp
@@ -31,6 +36,9 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 			StringList.cpp
 			Url.cpp
 			Uuid.cpp
+			ZlibCompressionBase.cpp
+			ZlibCompressor.cpp
+			ZlibDecompressor.cpp
 			;
 
 		StaticLibrary [ MultiArchDefaultGristFiles libreferenceable.a ]

src/kits/support/ZlibCompressionBase.cpp

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <ZlibCompressionBase.h>
+
+#include <errno.h>
+#include <string.h>
+
+#include <new>
+
+#include "ZlibCompressionBasePrivate.h"
+
+
+BZlibCompressionBase::BZlibCompressionBase(BDataIO* output)
+	:
+	fOutput(output),
+	fStream(NULL)
+{
+}
+
+
+BZlibCompressionBase::~BZlibCompressionBase()
+{
+	DeleteStream();
+}
+
+
+/*static*/ status_t
+BZlibCompressionBase::TranslateZlibError(int error)
+{
+	switch (error) {
+		case Z_OK:
+			return B_OK;
+		case Z_STREAM_END:
+		case Z_NEED_DICT:
+			// a special event (no error), but the caller doesn't seem to handle
+			// it
+			return B_ERROR;
+		case Z_ERRNO:
+			return errno;
+		case Z_STREAM_ERROR:
+			return B_BAD_VALUE;
+		case Z_DATA_ERROR:
+			return B_BAD_DATA;
+		case Z_MEM_ERROR:
+			return B_NO_MEMORY;
+		case Z_BUF_ERROR:
+			return B_BUFFER_OVERFLOW;
+		case Z_VERSION_ERROR:
+			return B_BAD_VALUE;
+		default:
+			return B_ERROR;
+	}
+}
+
+
+status_t
+BZlibCompressionBase::CreateStream()
+{
+	if (fStream != NULL)
+		return B_BAD_VALUE;
+
+	fStream = new(std::nothrow) ZStream;
+	if (fStream == NULL)
+		return B_NO_MEMORY;
+
+	memset(fStream, 0, sizeof(*fStream));
+	return B_OK;
+}
+
+
+void
+BZlibCompressionBase::DeleteStream()
+{
+	delete fStream;
+	fStream = NULL;
+}

src/kits/support/ZlibCompressionBasePrivate.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2014, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef ZLIB_COMPRESSION_BASE_PRIVATE_H
+#define ZLIB_COMPRESSION_BASE_PRIVATE_H
+
+
+#include <zlib.h>
+
+
+struct BZlibCompressionBase::ZStream : z_stream {
+};
+
+
+#endif	// ZLIB_COMPRESSION_BASE_PRIVATE_H

src/kits/support/ZlibCompressor.cpp

@@ -0,0 +1,150 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <ZlibCompressor.h>
+
+#include <string.h>
+
+#include <DataIO.h>
+
+#include "ZlibCompressionBasePrivate.h"
+
+
+static const size_t kOutputBufferSize = 1024;
+
+
+BZlibCompressor::BZlibCompressor(BDataIO* output)
+	:
+	BZlibCompressionBase(output)
+{
+}
+
+
+BZlibCompressor::~BZlibCompressor()
+{
+	if (fStream != NULL)
+		deflateEnd(fStream);
+}
+
+
+status_t
+BZlibCompressor::Init(int compressionLevel)
+{
+	status_t error = CreateStream();
+	if (error != B_OK)
+		return error;
+
+	int zlibError = deflateInit(fStream, compressionLevel);
+	if (zlibError != Z_OK) {
+		DeleteStream();
+		return TranslateZlibError(zlibError);
+	}
+
+	return B_OK;
+}
+
+
+status_t
+BZlibCompressor::CompressNext(const void* input, size_t inputSize)
+{
+	fStream->next_in = (Bytef*)input;
+	fStream->avail_in = inputSize;
+
+	while (fStream->avail_in > 0) {
+		uint8 outputBuffer[kOutputBufferSize];
+		fStream->next_out = (Bytef*)outputBuffer;
+		fStream->avail_out = sizeof(outputBuffer);
+
+		int zlibError = deflate(fStream, 0);
+		if (zlibError != Z_OK)
+			return TranslateZlibError(zlibError);
+
+		if (fStream->avail_out < sizeof(outputBuffer)) {
+			status_t error = fOutput->WriteExactly(outputBuffer,
+				sizeof(outputBuffer) - fStream->avail_out);
+			if (error != B_OK)
+				return error;
+		}
+	}
+
+	return B_OK;
+}
+
+
+status_t
+BZlibCompressor::Finish()
+{
+	fStream->next_in = (Bytef*)NULL;
+	fStream->avail_in = 0;
+
+	while (true) {
+		uint8 outputBuffer[kOutputBufferSize];
+		fStream->next_out = (Bytef*)outputBuffer;
+		fStream->avail_out = sizeof(outputBuffer);
+
+		int zlibError = deflate(fStream, Z_FINISH);
+		if (zlibError != Z_OK && zlibError != Z_STREAM_END)
+			return TranslateZlibError(zlibError);
+
+		if (fStream->avail_out < sizeof(outputBuffer)) {
+			status_t error = fOutput->WriteExactly(outputBuffer,
+				sizeof(outputBuffer) - fStream->avail_out);
+			if (error != B_OK)
+				return error;
+		}
+
+		if (zlibError == Z_STREAM_END)
+			break;
+	}
+
+	deflateEnd(fStream);
+	DeleteStream();
+
+	return B_OK;
+}
+
+
+/*static*/ status_t
+BZlibCompressor::CompressSingleBuffer(const void* input, size_t inputSize,
+	void* output, size_t outputSize, size_t& _compressedSize,
+	int compressionLevel)
+{
+	if (inputSize == 0 || outputSize == 0)
+		return B_BAD_VALUE;
+
+	// prepare stream
+	z_stream zStream;
+	memset(&zStream, 0, sizeof(zStream));
+	zStream.next_in = (Bytef*)input;
+	zStream.avail_in = uInt(inputSize);
+	zStream.next_out = (Bytef*)output;
+	zStream.avail_out = uInt(outputSize);
+
+	int zlibError = deflateInit(&zStream, compressionLevel);
+	if (zlibError != Z_OK)
+		return TranslateZlibError(zlibError);
+
+	// deflate
+	status_t error = B_OK;
+	zlibError = deflate(&zStream, Z_FINISH);
+	if (zlibError != Z_STREAM_END) {
+		if (zlibError == Z_OK)
+			error = B_BUFFER_OVERFLOW;
+		else
+			error = TranslateZlibError(zlibError);
+	}
+
+	// clean up
+	zlibError = deflateEnd(&zStream);
+	if (zlibError != Z_OK && error == B_OK)
+		error = TranslateZlibError(zlibError);
+
+	if (error != B_OK)
+		return error;
+
+	_compressedSize = zStream.total_out;
+	return B_OK;
+}

src/kits/support/ZlibDecompressor.cpp

@@ -0,0 +1,155 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <ZlibDecompressor.h>
+
+#include <string.h>
+
+#include <DataIO.h>
+
+#include "ZlibCompressionBasePrivate.h"
+
+
+// TODO: For the kernel the buffer shouldn't be allocated on the stack.
+static const size_t kOutputBufferSize = 1024;
+
+
+BZlibDecompressor::BZlibDecompressor(BDataIO* output)
+	:
+	BZlibCompressionBase(output),
+	fFinished(false)
+{
+}
+
+
+BZlibDecompressor::~BZlibDecompressor()
+{
+	if (fStream != NULL)
+		inflateEnd(fStream);
+}
+
+
+status_t
+BZlibDecompressor::Init()
+{
+	status_t error = CreateStream();
+	if (error != B_OK)
+		return error;
+
+	int zlibError = inflateInit(fStream);
+	if (zlibError != Z_OK) {
+		DeleteStream();
+		return TranslateZlibError(zlibError);
+	}
+
+	return B_OK;
+}
+
+
+status_t
+BZlibDecompressor::DecompressNext(const void* input, size_t inputSize)
+{
+	fStream->next_in = (Bytef*)input;
+	fStream->avail_in = inputSize;
+
+	while (fStream->avail_in > 0) {
+		if (fFinished)
+			return B_BAD_DATA;
+
+		uint8 outputBuffer[kOutputBufferSize];
+		fStream->next_out = (Bytef*)outputBuffer;
+		fStream->avail_out = sizeof(outputBuffer);
+
+		int zlibError = inflate(fStream, 0);
+		if (zlibError == Z_STREAM_END)
+			fFinished = true;
+		else if (zlibError != Z_OK)
+			return TranslateZlibError(zlibError);
+
+		if (fStream->avail_out < sizeof(outputBuffer)) {
+			status_t error = fOutput->WriteExactly(outputBuffer,
+				sizeof(outputBuffer) - fStream->avail_out);
+			if (error != B_OK)
+				return error;
+		}
+	}
+
+	return B_OK;
+}
+
+
+status_t
+BZlibDecompressor::Finish()
+{
+	fStream->next_in = (Bytef*)NULL;
+	fStream->avail_in = 0;
+
+	while (!fFinished) {
+		uint8 outputBuffer[kOutputBufferSize];
+		fStream->next_out = (Bytef*)outputBuffer;
+		fStream->avail_out = sizeof(outputBuffer);
+
+		int zlibError = inflate(fStream, Z_FINISH);
+		if (zlibError == Z_STREAM_END)
+			fFinished = true;
+		else if (zlibError != Z_OK)
+			return TranslateZlibError(zlibError);
+
+		if (fStream->avail_out < sizeof(outputBuffer)) {
+			status_t error = fOutput->WriteExactly(outputBuffer,
+				sizeof(outputBuffer) - fStream->avail_out);
+			if (error != B_OK)
+				return error;
+		}
+	}
+
+	inflateEnd(fStream);
+	DeleteStream();
+
+	return B_OK;
+}
+
+
+/*static*/ status_t
+BZlibDecompressor::DecompressSingleBuffer(const void* input, size_t inputSize,
+	void* output, size_t outputSize, size_t& _uncompressedSize)
+{
+	if (inputSize == 0 || outputSize == 0)
+		return B_BAD_VALUE;
+
+	// prepare stream
+	z_stream zStream;
+	memset(&zStream, 0, sizeof(zStream));
+	zStream.next_in = (Bytef*)input;
+	zStream.avail_in = uInt(inputSize);
+	zStream.next_out = (Bytef*)output;
+	zStream.avail_out = uInt(outputSize);
+
+	int zlibError = inflateInit(&zStream);
+	if (zlibError != Z_OK)
+		return TranslateZlibError(zlibError);
+
+	// inflate
+	status_t error = B_OK;
+	zlibError = inflate(&zStream, Z_FINISH);
+	if (zlibError != Z_STREAM_END) {
+		if (zlibError == Z_OK)
+			error = B_BUFFER_OVERFLOW;
+		else
+			error = TranslateZlibError(zlibError);
+	}
+
+	// clean up
+	zlibError = inflateEnd(&zStream);
+	if (zlibError != Z_OK && error == B_OK)
+		error = TranslateZlibError(zlibError);
+
+	if (error != B_OK)
+		return error;
+
+	_uncompressedSize = zStream.total_out;
+	return B_OK;
+}

src/system/boot/loader/file_systems/packagefs/Jamfile

@@ -1,7 +1,7 @@
 SubDir HAIKU_TOP src system boot loader file_systems packagefs ;
 
 UsePrivateHeaders [ FDirName kernel boot platform $(TARGET_BOOT_PLATFORM) ] ;
-UsePrivateHeaders kernel shared ;
+UsePrivateHeaders kernel shared support ;
 UseBuildFeatureHeaders zlib ;
 
 DEFINES += _BOOT_MODE ;
@@ -13,6 +13,7 @@ SubDirC++Flags -fno-rtti -include $(kernelC++Header) ;
 
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package ] ;
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package hpkg ] ;
+SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits support ] ;
 
 
 BootStaticLibrary boot_packagefs :
@@ -40,16 +41,14 @@ BootStaticLibrary boot_packagefs :
 	PackageReaderImpl.cpp
 	ReaderImplBase.cpp
 
-	# compression
+	# support kit
+
 	ZlibCompressionBase.cpp
 	ZlibDecompressor.cpp
 
 	: -fno-pic
 ;
 
-Includes [
-		FGristFiles ZlibCompressionBase.cpp package/hpkg/ZlibCompressor.h
-		package/hpkg/ZlibDecompressor.h
-	]
+Includes [ FGristFiles ZlibCompressionBasePrivate.h ]
 	: [ BuildFeatureAttribute zlib : headers ] ;